José Is a 4-Year-Old Child Scheduled for a Cardiac Catheterization

José is a 4-year-old child scheduled for a cardiac catheterization.Preoperative teaching should be:

A) directed at his parents because he is too young to understand.
B) detailed in regard to the actual procedures so he will know what to expect.
C) done several days before the procedure so that he will be prepared.
D) adapted to his level of development so that he can understand.